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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG629453271

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629453271

Diamond specifications and retailer prices

From $601 CAD
As of November 4, 2026
Save $3,301 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,964 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629453271 or 629453271. Listed at 21 retailers as of November 4, 2026, with a 550% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle52.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629453271
Dimensions6.82 × 7.92 × 4.73 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.82 mm7.92 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629453271
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 52.1°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,964 CAD|Low: $601 CAD|High: $4,515 CAD|Avg: $1,731 CAD
Queensmith
Retailer 2
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Retailer 4
Retailer 5
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Retailer 7
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Retailer 21
November 5, 2026
Retailer 10$601 CAD
Retailer 17$603 CAD
Retailer 6$667 CAD
Retailer 19$667 CAD
Retailer 4$712 CAD
Retailer 3$871 CAD
Retailer 11$895 CAD
Retailer 14$1,056 CAD
Retailer 5$1,113 CAD
Retailer 16$1,150 CAD
Retailer 2$1,197 CAD
Retailer 8$1,481 CAD
Retailer 15$1,618 CAD
Retailer 13$1,675 CAD
Retailer 20$2,145 CAD
Retailer 9$2,198 CAD
Retailer 12$2,490 CAD
Retailer 7$2,499 CAD
Retailer 18$2,606 CAD
Retailer 21$3,902 CAD
Queensmith$3,964 CAD

26 data points across 21 retailers

21 retailers$601 CAD to $3,902 CAD

A
Cheapest Retailer
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$601 CAD
Final sale: no returns
A
Retailer 2
-
$603 CAD
View
Retailer 3
-
$667 CAD
View
Price last confirmed 11 days ago
A
Retailer 4
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$667 CAD
View
A
Retailer 5
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$871 CAD
View
A
Retailer 6
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$895 CAD
View
A
Retailer 7
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$1,113 CAD
View
A
Retailer 8
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$1,150 CAD
View
A
Retailer 9
-
$1,197 CAD
View
A
Retailer 10
-
$1,481 CAD
View
B+
Retailer 11
-
$1,618 CAD
View
B+
Retailer 12
-
$1,675 CAD
View
B+
Retailer 13
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$1,871 CAD
View
B+
Retailer 14
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$2,093 CAD
View
B+
Retailer 15
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$2,145 CAD
View
B+
Retailer 16
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$2,198 CAD
View
B+
Retailer 17
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$2,490 CAD
View
Retailer 18
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$2,499 CAD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$2,606 CAD
View
B
Retailer 20
-
$3,902 CAD
View
Most Expensive
Queensmith
LG629453271 · Oct 27
$3,964 CAD
£2,240 GBP
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $601 CADSave up to $3,301 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.53ct Heart
$601 CAD